Addition and Subtraction Quiz

Which of the following is a monomial?

• 3𝑥 + 2

• 5𝑥²

• 4𝑥 - 3𝑦

• 𝑥 + 𝑦 + 𝑧

What is the sum of 6𝑥 and 4𝑥?

• 10

• 24𝑥

• 10𝑥

• 2𝑥

Which expression is a binomial?

• 𝑥

• 2𝑥 + 3

• 𝑥² + 2𝑥 + 1

• 5𝑥𝑦

Which of the following shows the subtraction of binomials?

• (2𝑥 + 3) + (3𝑥 + 4)

• (4𝑥 + 5) - (2𝑥 + 1)

• 𝑥² + 2𝑥 + 1

• 2𝑥(3𝑥 + 1)

Which of the following is the sum of (5𝑥 + 2) and (3𝑥 + 4)?

• 8𝑥 + 6

• 2𝑥 + 2

• 15𝑥 + 8

• 8𝑥² + 6

What is the difference when (7𝑥 - 5) is subtracted by (2𝑥 + 3)?

• 9𝑥 - 8

• 5𝑥 - 8

• 5𝑥 + 8

• 9𝑥 + 8

Which is the correct sum of (4𝑥² + 3𝑥 + 1) and (2𝑥² - 𝑥 + 5)?

• 2𝑥² + 4𝑥 + 6

• 6𝑥² + 2𝑥 + 6

• 6𝑥² + 4𝑥 + 6

• 2𝑥² - 4𝑥 + 4

Which is the correct difference of (6𝑥² + 2𝑥 - 1) and (𝑥² - 4𝑥 + 3)?

• 5𝑥² + 6𝑥 - 4

• 5𝑥² - 2𝑥 - 4

• 7𝑥² + 6𝑥 - 4

• 7𝑥² - 2𝑥 + 2

A garden has a length of (5𝑥 + 2) meters and a width of (3𝑥 + 4) meters. A smaller section of (2𝑥 + 1) meters by (𝑥 + 2) meters will be removed. Which expression represents the total perimeter of the remaining rectangular garden?

• 2[(5𝑥 + 2) + (3𝑥 + 4)]

• 2[(2𝑥 + 1) + (𝑥 + 2)]

• 2[(5𝑥 + 2) + (3𝑥 + 4)] - 2[(2𝑥 + 1) + (𝑥 + 2)]

• 2[(5𝑥 + 2) - (2𝑥 + 1)]

A class needs 5 tiles for (𝑥 + 2) and 5 tiles for (2𝑥 + 3). If each tile costs (𝑥 + 1) pesos, which expression shows the total cost?

• 5(𝑥 + 2) + 5(2𝑥 + 3)

• 5(𝑥 + 1) + 5(𝑥 + 1)

• 5(𝑥 + 1) + 5(2𝑥 + 3)

• 10(𝑥 + 1)